2. Jeopardy The “Coul” Category You Have Potential Current Events Playing the Field Potpourri Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy

3. The “Coul” Category: $100 True or False: Conductors can be neutral

4. The “Coul” Category: $100 Answer True

5. The “Coul” Category: $200 Which is stronger between two protons: the electrostatic force, or the gravitational force?

6. The “Coul” Category: $200 Answer Electrostatic force

7. The “Coul” Category: $300 Imagine you have two charged particles. If the charge on one particle suddenly doubles, the force between them will… A) Increase by a factor of 2 B) Decrease by a factor of 2 C) Increase by a factor of 4 D) Decrease by a factor of 4

8. The “Coul” Category: $300 Answer A) Increase by a factor of 2

9. The “Coul” Category: $400 Find the net force (magnitude and direction) that particle 1 is experiencing q = 3x10^(-6) Cq = -4x10^(-3) C Particle 1Particle 2 d = 3m

10. The “Coul” Category: $400 Answer F = 12 N to the right

11. The “Coul” Category: $500 Find the net force (magnitude and direction) that particle 1 is experiencing q = 3x10^(-6) C q = -4x10^(-3) C Particle 1 Particle 3 d = 3m Particle 2 q = 3x10^(-4) C d = 3m

12. The “Coul” Category: $500 Answer F = 2.1 N to the right

13. You Have Potential: $100 True or False: Equipotential Lines are similar to the lines on a topographic map.

14. You Have Potential: $100 Answer True

15. You Have Potential: $200 True or False: if you are in a universe with only you and a positive charge, you will never get to a distance where your voltage is negative.

16. You Have Potential: $200 Answer True

17. You Have Potential: $300 If I move a positive test charge toward a negative anchor charge, the potential energy will A) Increase B) Decrease C) Stay the same

18. You Have Potential: $300 Answer B) Decrease

19. You Have Potential: $400 What is the potential difference of a positive test charge (1.6 x 10^[-19] C) at a distance of 5 meters from a negative anchor charge (-3.6 x 10^[-9] C) You may need at least one of these equations: V=kq/dPE = kq1q2/d

20. You Have Potential: $400 Answer -6.48 V

21. You Have Potential: $500 Find the net voltage that particle one is experiencing. q = 3x10^(-6) C q = -4x10^(-3) C Particle 1 Particle 3 d = 3m Particle 2 q = 3x10^(-4) C d = 3m

22. You Have Potential: $500 Answer -5,100,000 V

23. Current Events: $100 The unit of current is A) Coulomb B) Volt C) Ampere D) Joule

24. Current Events: $100 Answer C) Ampere

25. Current Events: $200 What two factors are required for current to flow in a circuit?

26. Current Events: $200 Answer 1. Potential Difference 2. Closed Circuit

27. Current Events: $300 Current is… A) The movement of charge B) Defined as energy per charge C) Inversely proportional to voltage D) All of the above

28. Current Events: $300 Answer A) The movement of charge

29. Current Events: $400 Which of the two requirements for current does a battery inherently provide?

30. Current Events: $400 Answer Potential Difference

31. Current Events: $500 A 1.5 Volt battery is hooked up to a light bulb with 0.5 Ohms of internal resistance. What is the current?

32. Current Events: $500 Answer 3 Amps

33. Playing the Field: $100 True or False: electric field lines indicate the direction of force a small negative test charge would experience at every point around an anchor charge.

34. Playing the Field: $100 Answer False

35. Playing the Field: $200 Electric field lines point _________ a positive charge A) Toward B) Away From C) Parallel to D) Randomly around

36. Playing the Field: $200 Answer B) Away from

37. Playing the Field: $300 What are the SI units for electric field?

38. Playing the Field: $300 Answer N/C

39. Playing the Field: $400 If you are five meters to the left of a -6 x 10^(-9) C charge, what is the value and direction of the electric field strength at your location?

40. Playing the Field: $400 Answer 2.16 N/C

41. Playing the Field: $500 If the distance away from an anchor charge decreases by a factor of three, by what factor does the electric field strength increase?

42. Playing the Field: $500 Answer Nine

43. Potpourri: $100 What is an equation for force that Mr. Martin always tells you to “keep in your back pocket?”

44. Potpourri: $100 Answer F = ma

45. Potpourri: $200 True or false: When adding vectors, you find the sum of each component and use them to construct the new vector

46. Potpourri: $200 Answer True

47. Potpourri: $300 Who was the 8 th president of the United States?

48. Potpourri: $300 Answer Martin Van Buren

49. Potpourri: $400 What inspired the name of the month “March?”

50. Potpourri: $400 Answer Mars, the Roman god of war.

51. Potpourri: $500 What was first introduced as “Brad’s Drink?”

52. Potpourri: $500 Answer Pepsi: named for its original creator, pharmacist Caleb Bradham in 1893.

53. Final Jeopardy Category I sense a change in the Force…

54. Final Jeopardy You are a particle with a net charge. Two meters to your right is another particle with charge -2.3 x 10^(-5) C. When the distance suddenly doubles to four meters, the force between you decreases by 11.64 Newtons. You are repulsed by the other charge. What is your charge (magnitude and sign)?

55. Final Jeopardy Answer -3 x 10^(-4) C